Kolkata is set to witness a series of rallies and demonstrations on Thursday to protest against the alleged rape and murder of a doctor with political parties and several civil society organisations planning to hit the streets during the day. Despite attempts by police to "stop BJP's movements", the party would go ahead with its protest programme in Esplanade area in central Kolkata on Thursday, Union Minister Sukanta Majumdar said. The BJP demanded the resignation of Chief Minister Mamata Banerjee for "sustained efforts to divert the probe and shield the main perpetrators" in the alleged rape and murder of the postgraduate trainee doctor, Majumdar, the party's state unit president, said. Senior BJP leader and party's West Bengal co-incharge Amit Malviya on Wednesday said, "Despite Calcutta High Court's explicit order, Kolkata Police is not allowing @BJP4Bengal to erect stage for tomorrow's dharna at Dorina Crossing, Dharmatala. The protest will happen at the designated place as per